Class: Byebug::SetCommand
Overview
Class Method Summary
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Instance Method Summary
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Methods inherited from Command
commands, find, format_subcmd, format_subcmds, inherited, #initialize, #match
#camelize, #prettify
#get_line, #get_lines, #n_lines, #normalize
#get_int, #parse_steps, #syntax_valid?
Class Method Details
.description ⇒ Object
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# File 'lib/byebug/commands/set.rb', line 53
def description
prettify <<-EOD
set <setting> <value>
Modifies parts of byebug environment.
Boolean values take "on", "off", "true", "false", "1" or "0". If you
don't specify a value, the boolean setting will be enabled.
Conversely, you can use "set no<setting> to disable them.
You can see these environment settings with the "show" command.
EOD
end
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.help(subcmd = nil) ⇒ Object
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# File 'lib/byebug/commands/set.rb', line 67
def help(subcmd = nil)
Setting.help('set', subcmd)
end
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.names ⇒ Object
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# File 'lib/byebug/commands/set.rb', line 49
def names
%w(set)
end
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Instance Method Details
#execute ⇒ Object
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# File 'lib/byebug/commands/set.rb', line 14
def execute
key, value = @match[:setting], @match[:value]
return puts(SetCommand.help) if key.nil? && value.nil?
setting = Setting.find(key)
return errmsg(pr('set.errors.unknown_setting', key: key)) unless setting
if !setting.boolean? && value.nil?
value, err = nil, pr('set.errors.must_specify_value', key: key)
elsif setting.boolean?
value, err = get_onoff(value, key =~ /^no/ ? false : true)
elsif setting.integer?
value, err = get_int(value, setting.to_sym, 1)
end
return errmsg(err) if value.nil?
setting.value = value
puts setting.to_s
end
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#get_onoff(arg, default) ⇒ Object
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# File 'lib/byebug/commands/set.rb', line 35
def get_onoff(arg, default)
return default if arg.nil?
case arg
when '1', 'on', 'true'
true
when '0', 'off', 'false'
false
else
[nil, pr('set.errors.on_off', arg: arg)]
end
end
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#regexp ⇒ Object
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# File 'lib/byebug/commands/set.rb', line 10
def regexp
/^\s* set (?:\s+(?<setting>\w+))? (?:\s+(?<value>\S+))? \s*$/x
end
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